Plumbers in Waterloo, — 10 Local Contractors

There are 10 plumbers in Waterloo, . The average rating is 4.9 out of 5 stars across 9 rated businesses. The highest rated is Whiteway Plumbing (4.8 stars). The most reviewed is Whiteway Plumbing with 388 reviews.

Finding a reliable plumber in Waterloo starts with knowing what to look for. Local contractors in this area handle pipe repair, drain cleaning, water heater installation, fixture replacements, and bathroom renovations. When comparing options, verify valid plumbing license, liability insurance, and references from recent jobs. Get multiple quotes and ask about warranties on parts and labour. Ontario's variable four-season climate mean that experienced local contractors will plan accordingly. Check the ratings and reviews below to find a plumber that fits your project and budget.

Koert Plumbing Ltd.

66 Rankin St #12, Waterloo, ON N2V 1V9

★★★★½ 4.8 (128 reviews)
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Frequently Asked Questions

How many plumbers are in Waterloo?
There are 10 plumbers listed in Waterloo, as of 2026.
What is the average rating?
The average Google rating for plumbers in Waterloo is 4.9 out of 5 stars.
How do I choose a plumber in Waterloo?
Compare ratings and review counts, verify their credentials and insurance, and get at least three quotes before hiring.